Individual telephone line call event buffering system
US5666397A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 7, 1995 |
| Grant date | Sep 9, 1997 |
| Priority date | — |
| Expiry date | Mar 7, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q3/72
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An individual telephone line call event buffering system is disclosed which provides backup memory storage for incoming and outgoing call events, including calling line identification (CLID) information in a computer based telephone line monitoring system when the computer or its call processing application software is off-line. The call event buffering system includes a hardware based call processor, distribution controller and memory system, and a software based computer monitoring system, all of which operate in conjunction with a standard personal computer, a standard telephone line, standard telephone line equipment including, but not limited to, a telephone, facsimile, and modem, and standard telephone central office services including, but not limited to, Caller-ID, distinctive ring, call transfer, forwarding and conferencing, voice mail, and visual message waiting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.